| commit | 2426f3910069ed47c0cc58559a6d088af7920201 | [log] [tgz] |
|---|---|---|
| author | Jan Kara <jack@suse.cz> | Thu May 21 16:05:52 2015 +0200 |
| committer | Al Viro <viro@zeniv.linux.org.uk> | Tue Jun 23 18:01:08 2015 -0400 |
| tree | 88c802202a7ae166f8da96ce3bcf43970eb314cd | |
| parent | c0c3a718e3ab2430a52a60d614b109e5e48e83e2 [diff] |
fs: Fix S_NOSEC handling file_remove_suid() could mistakenly set S_NOSEC inode bit when root was modifying the file. As a result following writes to the file by ordinary user would avoid clearing suid or sgid bits. Fix the bug by checking actual mode bits before setting S_NOSEC. CC: stable@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>